Use the overlaypdf function from the community commons module to achieve this.
https://appstore.home.mendix.com/link/app/170/Mendix/Community-Commons-Function-Library
Add Watermark in PDF I would like to suggest you PDF Watermark Tool by which you can simply put your image, text, etc as watermark on your PDF files on a Windows PC without getting any error. Visit here to download this tool:- https://www.osttopstapp.com/pdf-watermark.html
Hi Alexander Joseph,
try to use PDFWatermarkandLogo module available in Marketplace.
https://marketplace.mendix.com/link/component/222303
Thanks